Aluminium 6061-T6

6061-T6 is the workhorse alloy of precision machining. It combines reasonable strength with excellent corrosion resistance, anodizing response and weldability, and it machines cleanly at high speeds, which keeps the cost down on almost any part it suits.

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能力

対応内容

✓

Tensile strength around 310 MPa in the T6 temper

Tensile strength around 310 MPa in the T6 temper

✓

Excellent corrosion resistance in most environments

Excellent corrosion resistance in most environments

✓

Anodizes evenly

Anodizes evenly for clear, black and colour finishes

✓

Machines and welds well, including TIG welding

Machines and welds well, including TIG welding

✓

Available in bar, plate and extrusion

Available in bar, plate and extrusion

✓

Suitable

Suitable for brackets, housings, plates and manifolds

材料

材料

6061-T6 plate and bar
6061-T6511 extrusion
6061 sheet for fabrication
MIC-6 cast plate for flatness critical work
6061 with hard anodizing for wear surfaces
仕様

主要仕様

項目詳細
Tensile strength310 MPa (T6)
Yield strength276 MPa
Density2.70 g/cm³
MachinabilityGood, free-cutting at high speed
CorrosionExcellent, anodizing recommended
FinishesAnodizing, powder coat, paint
仕上げ

表面処理・後加工

Clear and black anodizing

Clear and black anodizing

Hard anodizing for wear

Hard anodizing for wear

Powder coating

Powder coating

Bead blasting and brushing

Bead blasting and brushing

FAQ

よくあるご質問

Is 6061 strong enough for structural parts?

For most brackets, frames and housings yes. Where higher strength is needed, move to 7075 or consider steel, and we will flag the load case in the DFM review.

Can 6061 be welded?

Yes, it welds well with 4043 or 5356 filler, although the heat-affected zone loses some strength in the T6 temper. For welded frames we often specify 5083 instead.

Does anodizing change dimensions?

Type II anodizing adds roughly 5 to 10 µm per surface, and hard anodizing up to 50 µm. For tight bores we machine undersize to compensate and state it on the drawing.

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